Artificial christmas tree



FIG. 1 is a perspective view of an artificial christmas tree showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevational view thereof; the rear elevational view is a mirror image of FIG. 4 thereof. 

The ornamental design for a artificial christmas tree, as shown and described. 